Name: Marcus Aurelius
Lived: 121–180 AD, Roman Empire
Known for: Roman emperor and Stoic philosopher
Famous for: Author of Meditations, a journal of personal reflections on virtue, duty, and reason
Note: The quote “The soul is dyed by its thoughts” comes from Meditations by Marcus Aurelius (Book 5, Section 16). It reflects the Stoic idea that our thoughts shape who we become.